pendulum

英 [ˈpendjələm]

美 [ˈpendʒələm]

n.  钟摆

复数：pendulums　

CET6考研TOEFLIELTSGRETEM8化学

Collins.1 / BNC.14260 / COCA.12582

牛津词典

noun

• 钟摆
  a long straight part with a weight at the end that moves regularly from side to side to control the movement of a clock
  1. In education, the pendulum has swung back to traditional teaching methods.
     教育界又恢复了传统教学法。
  2. the pendulum of public opinion
     舆论的转变

柯林斯词典

• 钟摆
  Thependulumof a clock is a rod with a weight at the end which swings from side to side in order to make the clock work.
• N-SING （局势意见等的）摇摆不定，变化不定
  You can use the idea of apendulumand the way it swings regularly as a way of talking about regular changes in a situation or in people's opinions.
  1. The pendulum has swung back and the American car companies have made dramatic advances in safety...
     三十年河东，三十年河西，美国汽车公司在安全方面已经取得了巨大进步。
  2. The political pendulum has swung in favour of the liberals.
     政治形势转而对自由主义者有利。

英英释义

noun

• an apparatus consisting of an object mounted so that it swings freely under the influence of gravity

双语例句

• First of all, this thesis analyses the structure and mathematic model of Inverted pendulum system.
  本文首先对倒立摆系统的结构和数学模型进行了分析、建模。
• A method of the gradual fuzzy control for double inverted pendulum is put forward in this paper.
  针对二级倒立摆系统，提出了一种逐级模糊控制策略。
• Simulation Research on Nonlinear PID Controller in Inverted Pendulum Control System
  非线性PID控制在倒立摆控制系统中的仿真研究
• Inverted pendulum is a typical nonlinear, coupling system.
  倒立摆系统是典型的非线性、耦合、变量和自然不稳定的系统。
• The pendulum of the mind alternates between sense and nonsense, not between right and wrong.
  心理的钟摆往返于意义和无意义之间，而不是正确和错误之间。
• The pendulum stopped swinging.
  钟摆停止了摆动。
• You can make a pendulum for yourself with a cord and a weight of any kind.
  你自己也可以用绳子和任意一种重物制作一个钟摆。
• Now one more very interesting oscillation& a torsional pendulum.
  现在是一个更有趣的摆动-，一个扭摆。
• Studying the equation of motion of damped simple pendulum, the shock wave solution is found.
  研究和分析有阻尼单摆的运动方程，应用近似法方程时发现存在冲击波解并精确求解。
• Figure 3 illustrates in principle a vertical pendulum and a horizontal pendulum of the simplest kind.
  把它摆得和桌面齐平。图3说明了最简单的竖直摆和水平摆的原理。